In a transfer function we have poles and zeros. It is easy to know why it gets the name of zeros because the transfer function get the value of 0 at the zeros point(s), but I am curious why it gets the name of "poles" instead of another word？
Nicolás Faedo
The use of the term 'pole' comes directly from complex analysis and is used to denote a specific type of singularity of a given function. In particular, these singularities are precisely the points that the function maps to the 'pole' of the Riemann sphere. You can find further information in the link below.
https://mathoverflow.net/questions/39538/what-is-the-naming-reason-of-poles-in-complex-analysis
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